230 LONGICORNIA, [ Lepturina. 
LEPTURINA. 
This tribe is represented in Europe by just one hundred species ; the 
number of genera is about twenty, but some authors include Anoplodera 
and Strangalia, and even Grammoptera, under Leptura, and Pachyta 
is differently divided ; these are in this work regarded as distinct, but 
their distinctions are, perhaps, hardly sufficient to warrant their separa- 
tion; we possess twenty-five species as British, but two or three of 
these are somewhat doubtfully indigenous. 
I. Prosternal process reaching hinder edge of anterior 
cox ; posterior tarsi with the first joint broad and not 
compressed ; antennz comparatively short or very short. Ruacium, F. 
Il. Prosternal process very short, not nearly reaching 
hinder edge of anterior cox ; posterior tarsi with the 
first joint narrow and compressed ; antennz long. 
i, First joint of posterior tarsi with the usual brush of 
hair beneath. 
1. Thorax armed at sides with a distinct and large 
tubercle; fourth joint of antenne half as long as 
PELE e petite ty s-s Mcvinuen Ale: fe discrep PUatueteash yeux “s 
2. Thorax without, or with a very indistinct, tubercle 
at sides ; fourth joint of antenne nearly as long as 
fifth 50 ere ra) Raina wet, Bama bao 
ii. First joint of posterior tarsi, and usually the second 
also, without a brush of hair beneath. 
1. Thorax not produced into a spine at posterior 
angles. 
A. Elytra almost parallel-sided, with antenne about 
aslonevias bodys jolie) cone)! -Mamdes re | is) n> 
B. Elytra with the apex plainly narrower than the 
base, as a rule, gradually narrowed from base to 
apex,* with the antenne shorter than body . . Leprura, L. 
2. Thorax produced into a spine at posterior angles. 
A. Elytra narrowed from base to apex, usually 
emarginate at apex, with the exterior angles mu- 
CLODSLED oh Eula eemety ees seer) asia. seen reaeae 
B. Elytra almost parallel-sided, not emarginate at 
BDEK> iecpm eld ceen oo ede) SR! cee sy « GRAMMOPTERA, Sarg: 
ToxorTvus, Serv. 
Pacuymta, Serv. 
ANOPLODERA, Muls. 
STRANGALIA, Serv. 
RHAGIUM, Fabricius. (Stenocorus, Geoffroy.) 
I have followed Thomson in retaining the old name for this genus, 
although Geoffroy’s name is adopted by the majority of modern writers ; 
the genus contains about eight species, which are confined to the 
Northern Hemisphere, with the exception of one that has been described 
from the Cape of Good Hope; they may be known by their com- 
paratively short or very short antenne, which in two species do not 
reach much beyond the base of the thorax, but in the third species are 
longer, and by the formation of the prosternal process ; the eyes are 
* In the female of L. livida the elytra are subparallel until a little before apex ; 
the antenne, however, are considerably shorter than the body. 
